
which can describe the hyperon-nucleon scattering data quite well [1]}, [2]}. Moreover, the coupling constant \(g_{\gamma \eta _1V}\)  can be estimated
through the partial decay width of \(\Gamma _{\eta _1\rightarrow \gamma {}V}\) . At present, there are no clear experimental evidence for the partial decay width of \(\Gamma _{\eta _1\rightarrow \gamma {}V}\) , therefore it should better be determined by theoretical calculation. By assuming \(\eta _1(1855)\)  as \(K\bar{K}_1\) 
molecule, the partial widths are evaluated as [3]}
\(&\Gamma _{\eta _1(1855)\rightarrow \gamma {}\rho }=12.63^{+0.14}_{-0.34}~~~~~{\rm KeV},\nonumber \\&\Gamma _{\eta _1(1855)\rightarrow \gamma {}\omega }=12.50^{+0.14}_{-0.34}~~~~~{\rm KeV},\nonumber \\&\Gamma _{\eta _1(1855)\rightarrow \gamma {}\phi }=17.67^{+0.38}_{-0.62}~~~~~{\rm KeV}.\nonumber \) 
